*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

/* 头部 */
header{
    width: 1000px;
    margin: 0 auto ;
}
/* 顶部内容 */
header .head-top{
    position: relative;
    width: 1000px;
    height: 140px;
    background-color: #00b7ee;
} 

/* 导航栏 */
header .head-top nav {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 1000px;
        height: 116px;
        background-color: #fff;
        padding:37px 76px 15px 76px;
        box-sizing: border-box;
}

header .head-top nav>img,
header .head-top nav>ul,
header .head-top nav>div{
      float: left;
}

header .head-top nav>img{
     margin-right: 60px;
}

header .head-top nav>ul{
      width: 450px;
}

header .head-top nav>ul>li{
    position: relative;
       display: inline-block;
       margin: 35px 6px 0;
}
/* 首页下划线 */
header .head-top nav>ul>li:first-of-type::after{
    content: "";
    position: absolute;
    left:50%;
    bottom:-7px;
    margin-left:-7px;
    width: 14px;  
    height: 2px;
    background-color: #000;
}

header .head-top nav>ul>li>a{
          font-size: 14px;
          font-weight: bolder;
          color: #0f0f0f;
}
header .head-top nav .search-box{
    width: 207px;
    height: 30px;
    border: 1px solid #000;
    box-sizing: border-box;
    margin-top: 29px;
}
header .head-top nav .search-box img{
    width: 27px;
    margin: 3px 7px 3px 3px;
}
header .head-top nav .search-box input{
    width: 160px;
    height: 22px;
    border: none;
    vertical-align: top;
    outline: none;
    margin-top: 2px;
    margin-left: 2px;
}

/* 顶部轮播图 */
header .head-carousel{
    overflow: hidden;
    position: relative;

}
header .head-carousel>ul{
    width: 3000px;
}
header .head-carousel>ul>li{
    float: left;
}
header .head-carousel>ul>li>img{
    width: 1000px;
}
header .head-carousel>.dots{
      position: absolute;
      bottom: 10px;
      left: 50%;
      margin-left:-46px ;

}
header .head-carousel>.dots>span{
    display: inline-block;
    margin: 0 6px;
    width: 15px;
    height: 15px;
    border-radius: 100px;
    background-color: #395674;
}
header .head-carousel>.dots>.dots_active{
    background-color: rgba(0, 0, 0, 0.5);
}
header .head-carousel>.dots>span:hover{
     background-color: rgba(0, 0, 0, 0.5);
     cursor: pointer;
}

/* 内容 */
main{
    width: 1000px;
    margin: 0 auto;
    
}
/* 顶部内容 */
main .main-top{
    position: relative;
    width: 1000px;
    height: 480px;
    background-color: #fafafa;
    }

main .main-top .box{
    position: absolute;
    top: 85px;
    left: 54px;
    width: 900px;
    height: 320px;
    }

main .main-top .box>div:first-of-type{
    width: 265px;
    height: 320px;
    background-color: #f2f2f2;
    float: left;
    display: inline-block;
   }

main .main-top .box>div:nth-of-type(2){
    width: 320px;
    height: 320px;
    background-color: #f2f2f2;
    float: left;
    margin: 0 20px;
}

main .main-top .box>div:last-of-type{
    width: 265px;
    height: 320px;
    background-color: #f2f2f2;
    float: left;
}
/* 文字 */
main .main-top .box div h4{
font-size: 16px;
text-align: center;
margin-bottom: 12px;
}

main .main-top .box div p{
      font-size: 12px;
      font-weight: 500;
      margin: 0 11px;
      line-height: 22px;
      color: #8b8b8b;
      text-align: justify;
      letter-spacing: 1.5px;
    }
main .main-top .box .box-2 p{
    margin: 0 33px;
}

/* 图片 */
main .main-top .box div img{
      margin:18px 0px 17px 69.5px;
     
       }
    main .main-top .box .box-2 img {
        margin-top: 18px;
        margin-left: 100px; 
    }

/* 文字标题 */
main .main-top fieldset legend{
         font-size: 22px;
         text-align: center;
         
         
}

main .main-top fieldset{
    width: 145px;
    font-size: 14px;
    font-weight: 700;
    border-color:#6db6ff ;
    text-align: center;
   }
   main .main-top fieldset:first-of-type{
    position: absolute;
       left: 50%;
       top: 14px;
       margin-left: -72.5px;
   } 
   main .main-top fieldset:last-of-type{
    position: absolute;
      bottom: 10px;
       left: 50%;
       margin-left: -72.5px;
   }
   /* 底部内容 */
    main .main-bottom{
       width: 1000px;
       height: 665px;
       position: relative;
       
   }
   main .main-bottom .bot-1{
       width: 900px;
       height: 640px;
           margin-left: 50px;
           margin-top: 25px;
       text-align: justify;

   }
   main .main-bottom .bot-1 div{
       width: 290px;
       height: 310px;
       float: left;
       background-color: #ffffff;
       position: relative;
   }
   main .main-bottom .bot-1 div  img{
       width: 292px;
       height: 210px;
       border: 1px solid #000;
   }
   main .main-bottom .bot-1 div button{
       font-size: 16px;
       font-weight: 800;
       width: 135px;
       height: 27px;  
       background-color: #6db6ff; 
       text-align: center; 
       position: absolute;
       left: 50%;
       margin-left: -67.5px;
       margin-top: 48px;
       border: none;
   }
   main .main-bottom .bot-1 div button a{
       color: #fff;
   }
   main .main-bottom .bot-1 div:nth-of-type(2),:nth-of-type(5){
        margin: 0 13px; 
   }
   main .main-bottom .bot-1 div span{
       position: absolute;
       left: 25px;
       font-weight: 550;
       font-size: 13px;
       letter-spacing: 2px;
       margin-top: 14px;
    font-family: "微软雅黑";

   }

   /* 底部轮播图 */
   .main .main-carousel{
       /* width: 1000px; */
         height: 330px;
         position: relative;
   }
   main .main-carousel .car-1{
       width: 900px;
       height: 305px;
       background-image: url(../images/底部轮播图.png);
       background-color: rgba(0, 0, 0, 0.8);
       margin-left: 50px;
       position: relative;
       
   }
   
   main .main-carousel fieldset{
    width: 142px;
    font-size: 23px;
    font-weight: 520;
    border-color: #6db6ff;
    color: #fff;
    text-align: center;
    position: absolute;
    left: 50%;
    margin-left: -72.5px;
    margin-top: 15px;
    } 
    main .main-carousel .car-2{
        width: 750px;
        height: 80px;
        float: left;
        margin-top: 114px;
        margin-left: 80px;
    }
    main .main-carousel .car-2 img:nth-of-type(2){
        margin: 0 22px;
    }
/* 箭头 */
main .main-carousel .car-3 button{
    width: 37px;
    height: 70px;
    background-color: rgba(0, 0, 0, 0.3);
    position: absolute;
    border: none;
    }
main .main-carousel .car-3 button:first-of-type{
    left: 10px;
    top: 50%;
    margin-top: -35px;
}  
main .main-carousel .car-3 button:last-of-type{
    right: 10px;
    top: 50%;
    margin-top: -35px;
}  

  /* 尾部 */
  footer{
      width: 1000px;
      margin: 0 auto;
  }
 footer .foot{
     width: 1000px;
     height: 268px;
     background-color: #6db6ff;
     position: relative;
 }
 footer .foot div{
     width: 1000px;
     height: 200px;
     position: relative;
     background-color: #fff;
     top: 0;
     left: 0;
 }
 footer .foot div nav {
     width: 1000px;
     height: 170px;
    border-top: 1px solid #eaedf0 ; 
    position: relative;
    top: 29px;
 }
 footer .foot span{
     position: absolute;
     bottom: 15px;
     left: 350px;
 }
 /*  */
 footer .foot div nav .foot-1 {
     width:900px;
     height: 100px;
     position: absolute;
     top: 45px;
     left: 52px;
     letter-spacing: 2px;
 }
 footer .foot div nav .foot-1 ul{
     float: left;
     font-size: 16px;
    font-family: "微软雅黑";
     
 }
 footer .foot div nav .foot-1 ul li a{
     color: #000;
    font-family: "微软雅黑";

 }
 footer .foot div nav .foot-1 ul li:nth-of-type(1){
     font-size: 18px;
     font-weight: bold;
 }
 footer .foot div nav .foot-1 ul li{
     font-size: 12px;
     line-height: 20px;
 }
 footer .foot div nav .foot-1 ul li:nth-of-type(2){
            margin-top: 23px;
 }
 footer .foot div nav .foot-1 ul:first-of-type{
     margin-right:  55px;
 }
 footer .foot div nav .foot-1 ul:nth-of-type(3){
    margin-right: 55px;
    margin-left: 90px;
}

/* 联系 */
footer .foot div nav .foot-2{
    width: 285px;
    height: 105px;
    float: right;
    margin-top: 45px;
    margin-right: 50px;
    position: relative;
   
}
footer .foot div nav .foot-2 img:nth-of-type(1){
    position: absolute;
    top: 3px;
    left: 5px;
}
footer .foot div nav .foot-2 img:nth-of-type(2){
    position: absolute;
    bottom: 0;
    left: 0;
}
footer .foot div nav .foot-2 img:nth-of-type(3){
    position: absolute;
    top:30px;
    right: 0;
}

/*  */
footer .foot div nav .foot-2 p:nth-of-type(1){
    position:absolute;
    left: 50px;
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 3px;
}
footer .foot div nav .foot-2 p:nth-of-type(2){
    position: absolute;
  left: 50px;
    top:20px;
    font-weight: bold;
    font-size: 14px;
}

footer .foot div nav .foot-2 p:nth-of-type(3){
    position: absolute;
    right: 0;
    font-size: 5px;

}

footer .foot div nav .foot-2 p:nth-of-type(4){
    position: absolute;
    right: 0;
    top: 16px;
    font-size: 5px;

}

footer .foot div nav .foot-2 p:nth-of-type(5){
    position: absolute;
    left: 38px;
    top: 35px;
    font-size: 5px;
}
footer .foot div nav .foot-2 p:nth-of-type(6){
    position: absolute;
    left: 55px;
    bottom: 5px;
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 3px;

}